/**
 * Copyright (c) 2024 Huawei Technologies Co., Ltd
 * [graph-engine] is licensed under Mulan PSL v2.
 * You can use this software according to the terms and conditions of the Mulan PSL v2.
 * You may obtain a copy of Mulan PSL v2 at:
 *          http://license.coscl.org.cn/MulanPSL2
 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
 * See the Mulan PSL v2 for more details.
*/


#ifndef PARSER_COMMON_PARSER_UTILS_H_
#define PARSER_COMMON_PARSER_UTILS_H_

#include <unordered_map>
#include "graph/graph.h"
#include "graph/node.h"
#include "external/ge/ge_api_error_codes.h"

namespace ge {
class ParserUtils {
 public:
  using OutputNodeInfo = std::pair<std::string, int32_t>;
  using OutputMapping = std::unordered_map<std::string, OutputNodeInfo>;
  static Status ExpandOneToManyGraph(const Graph &graph, OutputMapping &output_mapping);
  static string GenOutputKey(const OutputNodeInfo &node_info);
  static void UpdateOutputNodeInfo(const OutputMapping &final_output_nodes, OutputNodeInfo &output_node_info);
  static void UpdateOutputCtx(const OutputMapping &final_output_nodes, OutputMapping &tensor_to_nodes);
  static std::string GetOperatorName(const Operator &op);
  static std::string GetOperatorType(const Operator &op);
  static std::string GetGraphName(const Graph &graph);

 private:
  static Status ExpandNodeToSubgraph(const Graph &subgraph, const NodePtr &node, const Graph &graph,
                                     OutputMapping &output_mapping);
  static Status HandleInputContext(const NodePtr &node,
                                   const std::vector<NodePtr> &input_nodes,
                                   const ComputeGraphPtr &compute_graph);
  static Status HandleOutputContext(const NodePtr &node,
                                    const std::vector<std::pair<NodePtr, int32_t>> &out_node_index,
                                    OutputMapping &output_mapping);
};
}  // namespace ge
#endif  // PARSER_COMMON_PARSER_UTILS_H_
